40005362503 has 4 divisors (see below), whose sum is σ = 40212644368. Its totient is φ = 39798080640.

The previous prime is 40005362497. The next prime is 40005362513. The reversal of 40005362503 is 30526350004.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40005362503 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40005362513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103640643 + ... + 103641028.

It is an arithmetic number, because the mean of its divisors is an integer number (10053161092).

Almost surely, 2^40005362503 is an apocalyptic number.

40005362503 is a deficient number, since it is larger than the sum of its proper divisors (207281865).

40005362503 is a wasteful number, since it uses less digits than its factorization.

40005362503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207281864.

The product of its (nonzero) digits is 10800, while the sum is 28.

The spelling of 40005362503 in words is "forty billion, five million, three hundred sixty-two thousand, five hundred three".